21x+15=45

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Solution for 21x+15=45 equation: 


Simplifying
21x + 15 = 45

Reorder the terms:
15 + 21x = 45

Solving
15 + 21x = 45

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-15' to each side of the equation.
15 + -15 + 21x = 45 + -15

Combine like terms: 15 + -15 = 0
0 + 21x = 45 + -15
21x = 45 + -15

Combine like terms: 45 + -15 = 30
21x = 30

Divide each side by '21'.
x = 1.428571429

Simplifying
x = 1.428571429

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